/// <summary>
/// Gibt zurück ob der Server antwortet
/// </summary>
/// <returns>boolean</returns>
public Boolean ServerResponse()
{ 
        using (SqlConnection Conn = new SqlConnection(@"Data Source=" + _
          SQLServerConn.ServerSettings.DataSource + ";User Id=" + _
          SQLServerConn.ServerSettings.User + ";Password=" + _
          SQLServerConn.ServerSettings.PW + ";"))
        {
            try
            {
                Conn.Open();
                return true;
            }
            catch
            {
                return false;
            }            
        }   
}

Gruß
Christoph